PGS/PGD

PGS/PGD

第三代试管婴儿PGS/PGD技术是目前世界上最先进最可靠的试管婴儿技术.

PGS是指在胚胎移植程序之前,对早期胚胎进行染色体数目和结构异常的检测.通过一次性检测胚胎23对染色体的结构和数目,分析胚胎是否有遗传物质异常的一种移植前查方法,临床试验数据显示,PGS技术可将接受辅助生殖治疗的反复流产人群的流产率从33.5%降低至6.9%.同时将临床妊娠率从传统技术的45.8%提高至70.9%.通过进行胚胎移植前基因筛查PGS.我们不仅可选择健康胚胎,提高试管婴儿成功率.降低流产率,还可以最大程度的避免多胎妊娠,杜绝实施减胎手术,权威机构调查发现双胞胎的剖官产率占78.45%,早产率占47.07%.并发症率占39.7%.双胞胎及多胞胎的孕母更容易在怀孕期间发生糖尿病,高血压等妊娠期综合征,产后出血的概率也会高,同时也比较容易发生早产。因此为了保证母婴安全。三胞胎以上原则上需要进行减胎手术,减胎手术有10%的几率造成全部胚胎流产。

PGD是指生殖专家在胚胎移植程序之前,对早期胚胎进行基因检测,诊断胚胎是否有异常.从而选择健康胚胎进行移植,防止遗传病。PGD技术目前可以对位于不同基因位点的125种传性疾病进行诊断,从根本上保障了胎儿不受到这些遗传性疾病的影响。 PGD/PGS都是对实验室要求非常高的技术,目前国内也有少数医院开始开展这两种技术的操作,但事实上很难达到这两项技术的国际标准。

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